Abstract
The heat transfer coefficient at metal/die interface is one of the most important factors in determining the solidification or cooling process during high pressure die casting (HPDC). Based on temperature readings inside the die during solidification of AM60B alloy, the metal/die interfacial heat transfer coefficient (IHTC) was determined using the inverse estimation method. It was found that the IHTC changes significantly during different casting stages and is highly dependent on various operation conditions of HPDC. Influences of related processing parameters including casting pressure, mold temperature, fast and slow shot speeds on the IHTC were investigated and discussed.
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